NETAPP INC (NTAP): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in NTAP · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
32
13F filers
Aggregate Value
$2.7B
Across holders
Last Price
$207.37
2026-10-19
Sector
Information Technology
GICS
Quarterly fund activity20 increased11 reduced1 exited
Full exits: Verition Fund Management LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 | Institutional Manager | 9.02M | $1.4B | 51.3% | 0.8% | Reduced | $-6.3M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 1.54M | $238.2M | 8.8% | 0.1% | Added | +$85.2M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 1.26M | $194.8M | 7.2% | 0.1% | Reduced | $-798.2M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 1.14M | $177.0M | 6.5% | 0.1% | Added | +$80.1M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 754K | $116.8M | 4.3% | 0.0% | Added | +$94.0M | Q2 2026 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC CIK 0001556921 | Hedge Fund | 642K | $99.4M | 3.7% | 0.4% | Reduced | $-98.9M | Q2 2026 |
| TCW GROUP INC CIK 0000850401 | Hedge Fund | 499K | $77.2M | 2.8% | 0.5% | Added | +$61.3M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 453K | $70.2M | 2.6% | 0.1% | Added | +$69.9M | Q2 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 448K | $69.3M | 2.5% | 0.2% | Reduced | $-25.6M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 319K | $49.4M | 1.8% | 0.0% | Added | +$49.3M | Q2 2026 |
Reduced
Institutional Manager
$1.4B· 51.3% of total· 0.8% port· 9.02M sh· $-6.3M QoQ· Q2 2026
Added
Hedge Fund
$238.2M· 8.8% of total· 0.1% port· 1.54M sh· +$85.2M QoQ· Q2 2026
Reduced
Hedge Fund
$194.8M· 7.2% of total· 0.1% port· 1.26M sh· $-798.2M QoQ· Q2 2026
Added
Hedge Fund
$177.0M· 6.5% of total· 0.1% port· 1.14M sh· +$80.1M QoQ· Q2 2026
Added
Hedge Fund
$116.8M· 4.3% of total· 0.0% port· 754K sh· +$94.0M QoQ· Q2 2026
Reduced
Hedge Fund
$99.4M· 3.7% of total· 0.4% port· 642K sh· $-98.9M QoQ· Q2 2026
Added
Hedge Fund
$77.2M· 2.8% of total· 0.5% port· 499K sh· +$61.3M QoQ· Q2 2026
Added
Hedge Fund
$70.2M· 2.6% of total· 0.1% port· 453K sh· +$69.9M QoQ· Q2 2026
Reduced
Hedge Fund
$69.3M· 2.5% of total· 0.2% port· 448K sh· $-25.6M QoQ· Q2 2026
Added
Hedge Fund
$49.4M· 1.8% of total· 0.0% port· 319K sh· +$49.3M QoQ· Q2 2026
Reduced
Hedge Fund
$48.9M· 1.8% of total· 0.0% port· 316K sh· +$48.5M QoQ· Q2 2026
Added
Hedge Fund
$47.9M· 1.8% of total· 0.0% port· 310K sh· +$21.8M QoQ· Q2 2026
Added
Hedge Fund
$28.6M· 1.1% of total· 0.0% port· 185K sh· +$27.2M QoQ· Q2 2026
Reduced
Hedge Fund
$27.2M· 1.0% of total· 0.0% port· 176K sh· $-124K QoQ· Q2 2026
Reduced
Hedge Fund
$22.0M· 0.8% of total· 0.0% port· 142K sh· +$21.8M QoQ· Q2 2026
Added
Hedge Fund
$19.0M· 0.7% of total· 0.0% port· 123K sh· — QoQ· Q2 2026
Added
Hedge Fund
$8.0M· 0.3% of total· 0.1% port· 52K sh· — QoQ· Q2 2026
Added
Hedge Fund
$6.7M· 0.2% of total· 0.0% port· 43K sh· +$662K QoQ· Q2 2026
Added
Hedge Fund
$5.7M· 0.2% of total· 0.0% port· 37K sh· +$4.5M QoQ· Q2 2026
Reduced
Hedge Fund
$3.7M· 0.1% of total· 0.0% port· 31K sh· $-11.9M QoQ· Q3 2025
Reduced
Institutional Manager
$3.7M· 0.1% of total· 0.0% port· 24K sh· $-4.0M QoQ· Q2 2026
Added
Hedge Fund
$3.6M· 0.1% of total· 0.0% port· 23K sh· $-4.1M QoQ· Q2 2026
Reduced
Hedge Fund
$3.0M· 0.1% of total· 0.0% port· 19K sh· $-14.3M QoQ· Q2 2026
Added
Hedge Fund
$1.7M· 0.1% of total· 0.0% port· 11K sh· +$1.3M QoQ· Q2 2026
Added
Hedge Fund
$815K· 0.0% of total· 0.0% port· 5K sh· — QoQ· Q2 2026
Added
Hedge Fund
$693K· 0.0% of total· 0.0% port· 4K sh· +$225K QoQ· Q2 2026
Added
Hedge Fund
$677K· 0.0% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
Added
Institutional Manager
$523K· 0.0% of total· 0.0% port· 3K sh· +$107K QoQ· Q2 2026
Reduced
Hedge Fund
$318K· 0.0% of total· 0.0% port· 2K sh· $-923K QoQ· Q2 2026
Added
Hedge Fund
$219K· 0.0% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
Added
Hedge Fund
$40K· 0.0% of total· 0.0% port· 255 sh· — QoQ· Q2 2026
Unchanged
Hedge Fund
$7K· 0.0% of total· 0.0% port· 48 sh· +$0 QoQ· Q2 2026
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Recent insider activity
Form 4 purchases and sales · 24 Jul 2026 – 21 Oct 20260 buyers · $07 sellers · $36.2M23 transactions
| Insider ⇅ | Trades ⇅ | Bought ⇅ | Sold ⇅ | Largest ⇅ | Latest ▼ | |
|---|---|---|---|---|---|---|
| O'Callahan Elizabeth M EVP, Chief Admin. Officer | 3 0 buy · 3 sell | — | $616K | $237K | 12 Oct 2026SEC ↗ | |
| Palin Carrie Director | 1 0 buy · 1 sell | — | $1.1M | $1.1M | 2 Oct 2026SEC ↗ | |
| HELD GERALD Director | 1 0 buy · 1 sell | — | $1.2M | $1.2M | 1 Oct 2026SEC ↗ | |
| Kurian George CEO | 12 0 buy · 12 sell | — | $30.3M | $10.5M | 1 Oct 2026SEC ↗ | |
| Ahuja Deepak Director | 2 0 buy · 2 sell | — | $1.4M | $690K | 21 Sept 2026SEC ↗ | |
| NEVENS THOMAS MICHAEL Director | 1 0 buy · 1 sell | — | $1.2M | $1.2M | 11 Sept 2026SEC ↗ | |
| CERNUDA CESAR President | 3 0 buy · 3 sell | — | $513K | $243K | 17 Aug 2026SEC ↗ |
Distinct buyers and sellers may overlap. “Largest” is the largest reported transaction value in this window. Expand a row to see up to five recent filings.